Hi there and welcome. No, I'd test. If you were having unprotected sex, you would be way far along now if you got pregnant. Typically, you can get a positive pregnancy test right after you miss your first period. So, take a test right away so you know. If it is negative, I did have periods that ran really late, like 3 plus months, when I had thyroid issues. So, very long cycles can happen. but finding out if you are pregnant is important at this point so YES, take a test. good luck